1406071 - Add ability to run only certain pytest subtests to |mach python-test|

Status: NEW

(Testing :: Python Test, enhancement)

Description

[Andrew Halberstadt [:ahal]]

https://docs.pytest.org/en/latest/usage.html#specifying-tests-selecting-tests

Right now you can only select a file to run, not individual test functions within the file. Pytest has this ability, but there is no way to pass that information on from |mach python-test|.

Comment 1

[Andrew Halberstadt [:ahal]]

From bug 1339178

(In reply to Dave Hunt (:davehunt) from comment #18)
> I'm not sure how best to achieve this, as we're matching the paths up with
> the manifests and then running the test files in separate python processes.
> We'd need to preserve everything after the module path, and then pass this
> to the process to use as an argument for mozunit so it can reconcile them in
> the pytest invocation. Another option might be to allow for a command line
> option for the node id, but we'll still need to somehow pass this through to
> mozunit. The issue here is that it would be applied against all test paths,
> so you wouldn't be able to specify multiple node ids. See
> https://docs.pytest.org/en/latest/usage.html#specifying-tests-selecting-
> tests for more information on specifying node ids in pytest.